Figure 13-53 is a graph of the kinetic energy K of an
Chapter , Problem 73(choose chapter or problem)
Figure 13-53 is a graph of the kinetic energy K of an asteroid versus its distance r from Earths center, as the asteroid falls directly in toward that center. (a) What is the (approximate) mass of the asteroid? (b) What is its speed at r ! 1.945 $ 107 m?
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